num::kernel::matvec

Defined in header <kernel/dense.hpp>

template <std::floating_point T>
void matvec(T *y, const T *A, const T *x, idx m, idx n) noexcept;

Dense matrix-vector multiplication \(\mathbf{y} \leftarrow A \mathbf{x}\) for \(A \in \mathbb{R}^{m \times n}\).